Nintendo fans and game collectors, listen up: an exceedingly rare game is available right now on eBay.

An eBay user recently posted Nintendo World Championships on the auction site. The cartridge, if real as the seller claims, is one of only 116 copies created, making it one of the most exclusive titles ever made for the Nintendo Entertainment System.

Nintendo World Championships was part of a special event the company held in 1990 for gamers to compete in Super Mario, Rad Racer, and Tetris. The game was never actually sold to consumers on store shelves.

As of this writing, Nintendo World Championships is bidding out at $5,500 with another day to go. The cartridge is in somewhat poor state, but the owner says it's still in working condition.

According to the BBC, which earlier reported on the auction, a copy in better condition sold at a charity auction in 2011 for $11,000.

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Don Reisinger is a technology columnist who has covered everything from HDTVs to computers to Flowbee Haircut Systems. Besides his work with CNET, Don's work has been featured in a variety of other publications including PC World and a host of Ziff-Davis publications.
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